56431234 has 4 divisors (see below), whose sum is σ = 84646854. Its totient is φ = 28215616.

The previous prime is 56431223. The next prime is 56431237. The reversal of 56431234 is 43213465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 10259209 = 6795^2 + 3203^2 .

It is not an unprimeable number, because it can be changed into a prime (56431237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14107807 + ... + 14107810.

Almost surely, 2^56431234 is an apocalyptic number.

56431234 is a deficient number, since it is larger than the sum of its proper divisors (28215620).

56431234 is a wasteful number, since it uses less digits than its factorization.

56431234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28215619.

The product of its digits is 8640, while the sum is 28.

The square root of 56431234 is about 7512.0725502354. The cubic root of 56431234 is about 383.5657752617.

Adding to 56431234 its reverse (43213465), we get a palindrome (99644699).

It can be divided in two parts, 56431 and 234, that added together give a palindrome (56665).

The spelling of 56431234 in words is "fifty-six million, four hundred thirty-one thousand, two hundred thirty-four".